34633987 has 4 divisors (see below), whose sum is σ = 34951840. Its totient is φ = 34316136.

The previous prime is 34633967. The next prime is 34633993. The reversal of 34633987 is 78933643.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34633987 - 2¹⁵ = 34601219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34633927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158763 + ... + 158980.

It is an arithmetic number, because the mean of its divisors is an integer number (8737960).

Almost surely, 2^34633987 is an apocalyptic number.

34633987 is a deficient number, since it is larger than the sum of its proper divisors (317853).

34633987 is a wasteful number, since it uses less digits than its factorization.

34633987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317852.

The product of its digits is 326592, while the sum is 43.

The square root of 34633987 is about 5885.0647405105. The cubic root of 34633987 is about 325.9623923144.

The spelling of 34633987 in words is "thirty-four million, six hundred thirty-three thousand, nine hundred eighty-seven".